Leases (Tables)

12 Months Ended

Dec. 31, 2021

Lessee, Lease, Description [Line Items]

Summary of supplemental balance sheet information related to leases

(In thousands)	Classification	December 31, 2021		December 31, 2020
Assets
Operating lease assets	Operating lease assets	$	39,690	$	43,260
Liabilities
Current:
Operating lease liabilities	Operating lease liabilities	$	503	$	9,867
Non-current:
Operating lease liabilities	Long-term operating lease liabilities		52,681		47,220
Total operating lease liabilities		$	53,184	$	57,087

Summary of components of lease expense

		Year Ended		Year Ended		Year Ended
(In thousands)	Classification	December 31, 2021		December 31, 2020		December 31, 2019
Operating lease expense	Selling, general and administrative expense	$	6,248	$	7,974	$	7,959
Operating lease expense	Research and development expense		1,377		758		164
Total operating lease expense (1)		$	7,625	$	8,732	$	8,123
		Year Ended		Year Ended		Year Ended
(In thousands)	Classification	December 31, 2021		December 31, 2020		December 31, 2019
Operating sublease income	Selling, general and administrative expense	$	466	$	—	$	—

(1) Excludes short-term leases which were not material and office lease service-related charges.

Summary of cash information related to leases

	Year Ended		Year Ended
(In thousands)	December 31, 2021		December 31, 2020
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	8,971	$	3,804

Summary of maturities of lease liabilities

(In thousands)
Year ending December 31:
2022	$	9,390
2023		9,655
2024		9,865
2025		10,133
2026		10,425
Thereafter		36,552
Total operating lease payments	$	86,020
Less: Estimated tenant improvement allowance		(10,214)
Less: Imputed interest		(22,622)
Present value of operating lease liabilities	$	53,184

Sublease

Lessee, Lease, Description [Line Items]

Summary of maturities of lease liabilities

(In thousands)
Year ending December 31:
2022	$	1,717
2023		1,768
2024		1,821
2025		1,876
2026		1,932
Thereafter		3,516
Total operating sublease receipts	$	12,630